True Average Current Mode Control Of Dc Dc Power Converters
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Average Current Mode Control Of Dc Dc Power Converters
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Author : Marian K. Kazimierczuk
language : en
Publisher: John Wiley & Sons
Release Date : 2022-03-14
Average Current Mode Control Of Dc Dc Power Converters written by Marian K. Kazimierczuk and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-14 with Technology & Engineering categories.
AVERAGE CURRENT-MODE CONTROL OF DC-DC POWER CONVERTERS An authoritative one-stop guide to the analysis, design, development, and control of a variety of power converter systems Average Current-Mode Control of DC-DC Power Converters provides comprehensive and up-to-date information about average current-mode control (ACMC) of pulse-width modulated (PWM) dc-dc converters. This invaluable one-stop resource covers both fundamental and state-of-the-art techniques in average current-mode control of power electronic converters???featuring novel small-signal models of non-isolated and isolated converter topologies with joint and disjoint switching elements and coverage of frequency and time domain analysis of controlled circuits. The authors employ a systematic theoretical framework supported by step-by-step derivations, design procedures for measuring transfer functions, challenging end-of-chapter problems, easy-to-follow diagrams and illustrations, numerous examples for different power supply specifications, and practical tips for developing power-stage small-signal models using circuit-averaging techniques. The text addresses all essential aspects of modeling, design, analysis, and simulation of average current-mode control of power converter topologies, such as buck, boost, buck-boost, and flyback converters in operating continuous-conduction mode (CCM). Bridging the gap between fundamental modeling methods and their application in a variety of switched-mode power supplies, this book: Discusses the development of small-signal models and transfer functions related to the inner current and outer voltage loops Analyzes inner current loops with average current-mode control and describes their dynamic characteristics Presents dynamic properties of the poles and zeros, time-domain responses of the control circuits, and comparison of relevant modeling techniques Contains a detailed chapter on the analysis and design of control circuits in time-domain and frequency-domain Provides techniques required to produce professional MATLAB plots and schematics for circuit simulations, including example MATLAB codes for the complete design of PWM buck, boost, buck-boost, and flyback DC-DC converters Includes appendices with design equations for steady-state operation in CCM for power converters, parameters of commonly used power MOSFETs and diodes, SPICE models of selected MOSFETs and diodes, simulation tools including introductions to SPICE, MATLAB, and SABER, and MATLAB codes for transfer functions and transient responses Average Current-Mode Control of DC-DC Power Converters is a must-have reference and guide for researchers, advanced graduate students, and instructors in the area of power electronics, and for practicing engineers and scientists specializing in advanced circuit modeling methods for various converters at different operating conditions.
True Average Current Mode Control Of Dc Dc Power Converters
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Author : Dalvir K. Saini
language : en
Publisher:
Release Date : 2018
True Average Current Mode Control Of Dc Dc Power Converters written by Dalvir K. Saini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with DC-to-DC converters categories.
Energy efficient, wide-bandwidth, and well-regulated dc-dc power converters are in great demand in today's emerging technologies in areas such as medical, communication, aerospace, and automotive industries. In addition to design and selection of the converter components, a robust closed-loop modeling is very essential for reliable power-electronic systems.Two closed-loop control techniques for power converters exist: voltage-mode control and current-mode control. The principles of voltage-mode control have been explored in great depths by researchers over the last two decades. However, the dynamic modeling of current-mode controlled dc-dc power converters has many uncharted areas that needs careful attention. Two main methods exist under the category of current-mode control: peak current-mode control and average current-mode control. Both of these control strategies are very attractive in applications that require fast control speeds, improved voltage regulation, and improved power supply noise rejection ratio. In recent technological advancements, where high noise immunity and tight regulation are desired, the average current-mode control has proven to be a superior choice, when compared to other control techniques for power converters. In this dissertation, a complete systematic theoretical framework for analysis, design, characterization, and measurements of the dc-dc converters with average current-mode control is introduced. To overcome the drawbacks of the traditional average current-mode control method, a new, true-averaged current-mode control technique is proposed. The new technique is implemented on the basic converter topologies namely, buck, boost, and buck-boost. The dynamic small-signal models of the converter power-stages are developed using the circuit-averaging technique. Theinner-current loop of the power converters is designed and their frequency-domain, time-domain, and pole-zero domain characteristics are exploited. Subsequently, the outer-voltage loop is designed in the presence of current-controlled power stage and the overall converter performance is evaluated against dynamically-varying operating conditions.A laboratory prototype of a buck-boost converter for 12 V to 5 V at 25 W operating at 200 kHz was designed, built, and measured. The theoretically predicted results were validated both through simulations and experiments. The techniques to measure the small-signal open-loop and closed-loop transfer functions are also provided. Excellent agreement between the theoretical and experimental results were observed.
Pulsewidth Modulated Dc To Dc Power Conversion
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Author : Byungcho Choi
language : en
Publisher: John Wiley & Sons
Release Date : 2021-10-04
Pulsewidth Modulated Dc To Dc Power Conversion written by Byungcho Choi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-04 with Technology & Engineering categories.
ORGANIC REACTIONS CYCLIZATION REACTIONS OF NITROGEN-CENTERED RADICALS Stuart W. McCombie, Béatrice Quiclet-Sire, and Samir Z. Zard TRANSITION-METAL-CATALYZED AMINOOXYGENATION OF ALKENES Sherry R. Chemler, Dake Chen, Shuklendu D. Karyakarte, Jonathan M. Shikora, and Tomasz Wdowik
Pulse Width Modulated Dc Dc Power Converters
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Author : Marian K. Kazimierczuk
language : en
Publisher: John Wiley & Sons
Release Date : 2008-09-15
Pulse Width Modulated Dc Dc Power Converters written by Marian K. Kazimierczuk and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-15 with Technology & Engineering categories.
This book studies switch-mode power supplies (SMPS) in great detail. This type of converter changes an unregulated DC voltage into a high-frequency pulse-width modulated (PWM) voltage controlled by varying the duty cycle, then changes the PWM AC voltage to a regulated DC voltage at a high efficiency by rectification and filtering. Used to supply electronic circuits, this converter saves energy and space in the overall system. With concept-orientated explanations, this book offers state-of-the-art SMPS technology and promotes an understanding of the principle operations of PWM converters, as well as enabling the readers to evaluate their characteristics. Design-orientated analysis (including a steady-state analysis for both continuous and discontinuous conduction modes) and numerous real-world practical examples (including circuit models of the PWM converters) demonstrate how to design these from scratch. The book provides an in-depth presentation of topologies of PWM DC-DC power converters, voltage- and current-mode control of PWM DC–DC power converters, considers power losses in all components, device stresses, output voltage ripple, converter efficiency and power factor correction (PFC). It also includes extensive coverage of the following: topologies of high-efficiency switching-mode PWM and soft-switching DC-DC power converters; DC voltage transfer functions (conversion ratios), component values, losses, efficiency, and stresses; small-signal averaged circuit models; current-mode and voltage-mode feedback controls; metal-oxide-semiconductor field-effect power transistors (MOSFETs); silicon (Si) and silicon carbide (SiC) power semiconductor devices. Before now, there has been no book that covers silicon carbide devices. Pulse-width Modulated DC-DC Power Converters is a comprehensive textbook for senior undergraduate and graduate students in the areas of electrical, electronics, and telecommunications engineering. It includes end-of-chapter review questions, problems, and thorough summaries of the key concepts to aid learning, and a Solutions Manual is available for professors. Scientists and practicing design engineers working with SMPS, within such applications as computers, telecommunications, industrial systems, automobile electronics, medical equipment, aerospace power technology, and radars (amongst others) will also find this text insightful.
Power Electronic Converters
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Author : Teuvo Suntio
language : en
Publisher: John Wiley & Sons
Release Date : 2017-09-12
Power Electronic Converters written by Teuvo Suntio and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-12 with Science categories.
Ein Referenzwerk mit Erläuterungen zum Verhalten von elektronischen Leistungswandlern fehlte bislang. Dieses Fachbuch bietet Informationen, die in vergleichbaren Publikationen zur Leistungselektronik nicht enthalten sind. In einer übersichtlichen Struktur werden in vier Abschnitten die folgenden Themen behandelt. Der erste Abschnitt beschäftigt sich mit der Dynamik und Steuerung herkömmlicher Leistungswandler. Dynamik und Steuerung von Gleichspannungswandlern in Anwendungen mit erneuerbaren Energien sind Gegenstand des zweiten Abschnitts, der auch eine Einführung in die Quellen und das Design von stromgespeisten Leistungswandlern nach dem Prinzip der Dualitätstransformation. Der dritte Abschnitt beschreibt die Dynamik und Steuerung von dreiphasigen Gleichrichtern in spannungsgespeisten Anwendungen. Im letzten Abschnitt geht es um die Dynamik und Steuerung von dreiphasigen VS-Umrichtern bei Anwendungen mit erneuerbaren Energien. Dieses zukunftsorientierte Fachbuch mit fundierten Informationen aus erster Hand ist das Referenzwerk der Wahl für Forscher und Ingenieure, die ein zugängliches Nachschlagewerk zu Design und Steuerung von elektronischen Leistungswandlern benötigen.
Multi Terminal Direct Current Grids
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Author : Nilanjan Chaudhuri
language : en
Publisher: John Wiley & Sons
Release Date : 2014-09-09
Multi Terminal Direct Current Grids written by Nilanjan Chaudhuri and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-09 with Technology & Engineering categories.
A generic DC grid model that is compatible with the standard AC system stability model is presented and used to analyse the interaction between the DC grid and the host AC systems. A multi-terminal DC (MTDC) grid interconnecting multiple AC systems and offshore energy sources (e.g. wind farms) across the nations and continents would allow effective sharing of intermittent renewable resources and open market operation for secure and cost-effective supply of electricity. However, such DC grids are unprecedented with no operational experience. Despite lots of discussions and specific visions for setting up such MTDC grids particularly in Europe, none has yet been realized in practice due to two major technical barriers: Lack of proper understanding about the interaction between a MTDC grid and the surrounding AC systems. Commercial unavailability of efficient DC side fault current interruption technology for conventional voltage sourced converter systems This book addresses the first issue in details by presenting a comprehensive modeling, analysis and control design framework. Possible methodologies for autonomous power sharing and exchange of frequency support across a MTDC grid and their impact on overall stability is covered. An overview of the state-of-the-art, challenges and on-going research and development initiatives for DC side fault current interruption is also presented.
Dc Microgrids
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Author : Nikita Gupta
language : en
Publisher: John Wiley & Sons
Release Date : 2022-05-26
Dc Microgrids written by Nikita Gupta and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-26 with Science categories.
DC MICROGRIDS Written and edited by a team of well-known and respected experts in the field, this new volume on DC microgrids presents the state-of-the-art developments and challenges in the field of microgrids for sustainability and scalability for engineers, researchers, academicians, industry professionals, consultants, and designers. The electric grid is on the threshold of a paradigm shift. In the past few years, the picture of the grid has changed dramatically due to the introduction of renewable energy sources, advancements in power electronics, digitalization, and other factors. All these megatrends are pointing toward a new electrical system based on Direct Current (DC). DC power systems have inherent advantages of no harmonics, no reactive power, high efficiency, over the conventional AC power systems. Hence, DC power systems have become an emerging and promising alternative in various emerging applications, which include distributed energy sources like wind, solar and Energy Storage System (ESS), distribution networks, smart buildings, remote telecom systems, and transport electrification like electric vehicles (EVs). All these applications are designed at different voltages to meet their specific requirements individually because of the lack of standardization. Thus, the factors influencing the DC voltages and system operation needed to be surveyed and analyzed, which include voltage standards, architecture for existing and emerging applications, topologies and control strategies of power electronic interfaces, fault diagnosis and design of the protection system, optimal economical operation, and system reliability.
Integrated Power Electronic Converters And Digital Control
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Author : Ali Emadi
language : en
Publisher: CRC Press
Release Date : 2017-12-19
Integrated Power Electronic Converters And Digital Control written by Ali Emadi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-19 with Technology & Engineering categories.
Because of the demand for higher efficiencies, smaller output ripple, and smaller converter size for modern power electronic systems, integrated power electronic converters could soon replace conventional switched-mode power supplies. Synthesized integrated converters and related digital control techniques address problems related to cost, space, flexibility, energy efficiency, and voltage regulation—the key factors in digital power management and implementation. Meeting the needs of professionals working in power electronics, as well as advanced engineering students, Integrated Power Electronic Converters and Digital Control explores the many benefits associated with integrated converters. This informative text details boost type, buck type, and buck-boost type integrated topologies, as well as other integrated structures. It discusses concepts behind their operation as well specific applications. Topics discussed include: Isolated DC-DC converters such as flyback, forward, push-pull, full-bridge, and half-bridge Power factor correction and its application Definition of the integrated switched-mode power supplies Steady-state analysis of the boost integrated flyback rectifier energy storage converter Dynamic analysis of the buck integrated forward converter Digital control based on the use of digital signal processors (DSPs) With innovations in digital control becoming ever more pervasive, system designers continue to introduce products that integrate digital power management and control integrated circuit solutions, both hybrid and pure digital. This detailed assessment of the latest advances in the field will help anyone working in power electronics and related industries stay ahead of the curve.
Isie 96
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Author :
language : en
Publisher:
Release Date : 1996
Isie 96 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Industrial electronics categories.
Model Predictive Control Of High Power Converters And Industrial Drives
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Author : Tobias Geyer
language : en
Publisher: John Wiley & Sons
Release Date : 2016-09-12
Model Predictive Control Of High Power Converters And Industrial Drives written by Tobias Geyer and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-12 with Technology & Engineering categories.
In this original book on model predictive control (MPC) for power electronics, the focus is put on high-power applications with multilevel converters operating at switching frequencies well below 1 kHz, such as medium-voltage drives and modular multi-level converters. Consisting of two main parts, the first offers a detailed review of three-phase power electronics, electrical machines, carrier-based pulse width modulation, optimized pulse patterns, state-of-the art converter control methods and the principle of MPC. The second part is an in-depth treatment of MPC methods that fully exploit the performance potential of high-power converters. These control methods combine the fast control responses of deadbeat control with the optimal steady-state performance of optimized pulse patterns by resolving the antagonism between the two. MPC is expected to evolve into the control method of choice for power electronic systems operating at low pulse numbers with multiple coupled variables and tight operating constraints it. Model Predictive Control of High Power Converters and Industrial Drives will enable to reader to learn how to increase the power capability of the converter, lower the current distortions, reduce the filter size, achieve very fast transient responses and ensure the reliable operation within safe operating area constraints. Targeted at power electronic practitioners working on control-related aspects as well as control engineers, the material is intuitively accessible, and the mathematical formulations are augmented by illustrations, simple examples and a book companion website featuring animations. Readers benefit from a concise and comprehensive treatment of MPC for industrial power electronics, enabling them to understand, implement and advance the field of high-performance MPC schemes.